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26
COUNTER HOUR METER
- Product Category: Hour Meters & Counters
- Mfr. Part # 81485-26
- Manufacturer: Honeywell Sensing and Productivity Solutions
- Lead Free Status /RoHS Status:
- Data Sheet: 81485-26 Datasheet
- Inventory: In Stock
- Unit Price: Inquiry
- Quantity: -+
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Mfr. Part #: 81485-26
- Specifications
- Product Details
Specifications
Product Details
These Intersil RS-485/RS-422 devices are ESD protected, fractional unit load (UL), BiCMOS, 5V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. Each driver output/ receiver input is protected against ±15kV ESD strikes, without latch-up. Unlike competitive devices, this Intersil family is specified for 10% tolerance supplies (4.5V to 5.5V).
Features
• RS-485 I/O Pin ESD Protection . . . . . . . . . . ±15kV HBM- Class 3 ESD Level on all Other Pins . . . . . . >7kV HBM
• Fractional Unit Load Allows up to 256 Devices on the Bus
• Specified for 10% Tolerance Supplies
• High Data Rate Version (ISL81487E) . . . . . up to 5Mbps
• Slew Rate Limited Versions for Error Free Data Transmission (ISL8487E, ISL81487L) . . . . .up to 250kbps
• Low Current Shutdown Mode (Except ISL81487E). . . 0.5µA
• Low Quiescent Supply Current:
- ISL8487E, ISL81487L . . . . . . . . . . . . . . . 145µA (Max.)
- ISL81487E . . . . . . . . . . . . . . . . . . . . . . . . 420µA (Max.)
• -7V to +12V Common Mode Input Voltage Range
• Three State Rx and Tx Outputs
• 30ns Propagation Delays, 5ns Skew (ISL81487E)
• Half Duplex Pinouts
• Operate from a Single +5V Supply (10% Tolerance)
• Current Limiting and Thermal Shutdown for Driver Overload Protection
• Pin Compatible Replacements for: MAX487E, (ISL8487E); LTC1487, ADM1487 (ISL81487L); MAX1487E, ST485ER (ISL81487E)
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• High Node Count Networks• Automated Utility Meter Reading Systems
• Factory Automation
• Security Networks
• Building Environmental Control Systems
• Industrial/Process Control Networks
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Mfr. Part #: 81485-26
